No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Two massive rock outcroppings on the Oregon coastline.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

An emporium for the weird, creepy, rare, and just plain gross.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

This highest peak in New Mexico is named after an explorer who had a habit of lending his moniker to peaks.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The oldest experimental corn field in America is still creating better ways to grow crops.

World's second largest particle accelerator, where nature reveals its secrets.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

A bizarre house filled with an astounding array of collections.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The “American Gothic" artist's largest works hang in an Iowa State University library.

Millions of dollars worth of sculpture decorate this Iowa city center.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

This zombie-themed restaurant stands out in the heart of corn country.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.